title: Ultrasound in pre-hospital care.
authors.forename: L
authors.initials: L
authors.lastname: Knudsen
authors.forename: M
authors.initials: M
authors.lastname: Sandberg
mesh_terms: D001930:Brain Injuries / Q000000981:diagnostic imaging*; D002545:Brain Ischemia / Q000175:diagnosis / Q000000981:diagnostic imaging; D004632:Emergency Medical Services / Q000379:methods*; D006801:Humans; D017585:Ultrasonography, Doppler, Transcranial